Room temperature sensing of ozone by transparent p-type semiconductor CuAlO₂
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Zheng, X. G.
Taniguchi, K.
Takahashi, A.
Liu, Y.
Xu, C. N.
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American Institute of Physics (AIP)
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A transparent p-type semiconductor,CuAlO₂, shows selective and reversible response to ozone gas at room temperature. All existing commercial semiconductorozonesensors are of n type. This study demonstrates the feasibility of developing an inexpensive p type and transparent ozonesensor. Types of transparent p–n junction ozonesensors may be fabricated using the p-type semiconductorCuAlO₂ and existing n-type transparent materials such as In₂O₃.
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Applied Physics Letters
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